sera siporax Nitrat-minus Professional Content:500 ml / 145 g Scientifically tested and optimized according

Scientifically tested and optimized according to the model of nature

It effectively aerates

Large waste water tank (27 l)

But how do you create varied currents

sera siporax Nitrat-minus Professional Content:500 ml / 145 g Scientifically tested and optimized accordingBiological filter medium for nitrate removal in aquariums sera siporax Nitrat minus Professional is a high performance filter medium for biological nitrate reduction with parallel reduction of nitrite and ammonium. The biopolymer ball, which is tailored to the siporax ring, optimally increases and maximises denitrification. The degradable biopolymer serves as a carbon source for the nitrate degrading bacteria. The biopolymer ball not only maximises